A lot of molecules will be in 2.570 moles of H2
<span>water vapour.
carbon dioxide.
carbon monoxide.particles.
<span>sulfur dioxide.</span></span>
Once you have identified the limiting reactant, you calculate how much of the other reactant it must have reacted with and subtract from the original amount.
Explanation:
here's the answer to your question
The mass of a substance per unit volume is the substance's density.
D = m/v.